feat: Introduce mobile simulator UI with new routes, screens, shared application chrome, and updated dependencies.

WebApp/src/lib/sim/screens/AuthScreen.svelte

@@ -0,0 +1,62 @@
+<section
+	id="screen-auth"
+	class="flex flex-col items-center justify-center min-h-[70vh] animate-fade-in max-w-sm mx-auto"
+>
+	<div class="text-center space-y-3 mb-8">
+		<div
+			class="w-20 h-20 bg-gradient-to-tr from-blue-600 to-indigo-600 rounded-3xl mx-auto flex items-center justify-center shadow-lg shadow-blue-900/20"
+		>
+			<svg xmlns="http://www.w3.org/2000/svg" class="h-10 w-10 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+				<path
+					stroke-linecap="round"
+					stroke-linejoin="round"
+					stroke-width="2"
+					d="M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z"
+				/>
+			</svg>
+		</div>
+		<h2 class="text-3xl font-bold text-white tracking-tight">SecureCam Web</h2>
+		<p class="text-gray-400 text-sm">Sign in to manage visual security from your browser.</p>
+	</div>
+
+	<div class="w-full glass-card p-6 md:p-8 rounded-3xl space-y-4 shadow-2xl">
+		<div class="form-control">
+			<label class="label hidden" for="authEmail"><span class="label-text text-gray-400">Email</span></label>
+			<input
+				id="authEmail"
+				type="email"
+				placeholder="Email address"
+				class="input bg-black/40 border-white/10 text-sm focus:border-blue-500 focus:outline-none transition-colors w-full h-12 rounded-xl"
+			/>
+		</div>
+		<div class="form-control">
+			<input
+				id="authPassword"
+				type="password"
+				placeholder="Password"
+				class="input bg-black/40 border-white/10 text-sm focus:border-blue-500 focus:outline-none transition-colors w-full h-12 rounded-xl"
+			/>
+		</div>
+		<div id="authNameField" class="form-control hidden">
+			<input
+				id="authName"
+				type="text"
+				placeholder="Your Name"
+				class="input bg-black/40 border-white/10 text-sm focus:border-blue-500 focus:outline-none transition-colors w-full h-12 rounded-xl"
+			/>
+		</div>
+
+		<div class="pt-4 space-y-4">
+			<button id="signInBtn" class="btn btn-premium w-full h-12 rounded-xl shadow-lg shadow-blue-900/20 text-base"
+				>Sign In</button
+			>
+			<div class="divider text-xs text-gray-600">OR</div>
+			<button
+				id="toggleAuthModeBtn"
+				class="btn btn-ghost w-full text-gray-400 hover:text-white hover:bg-white/5 rounded-xl border border-white/5"
+			>
+				Create an account
+			</button>
+		</div>
+	</div>
+</section>